/*
 * Copyright (C) 2023 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef VIDEO_CODEC_PLAYER_H
#define VIDEO_CODEC_PLAYER_H

#include <mutex>
#include <memory>
#include <atomic>
#include <thread>
#include "video_decoder.h"
#include "demuxer.h"
#include "sample_info.h"

class Player {
public:
    Player(){};
    ~Player();

    static Player &GetInstance()
    {
        static Player player;
        return player;
    }

    int32_t Init(SampleInfo &sampleInfo);
    int32_t Start();
    void StartRelease();

private:
    void DecInputThread();
    void DecOutputThread();
    void Release();

    std::unique_ptr<VideoDecoder> videoDecoder_ = nullptr;
    std::unique_ptr<Demuxer> demuxer_ = nullptr;

    std::mutex mutex_;
    std::atomic<bool> isStarted_{ false };
    std::atomic<bool> isReleased_{ false };
    std::unique_ptr<std::thread> decInputThread_ = nullptr;
    std::unique_ptr<std::thread> decOutputThread_ = nullptr;
    std::condition_variable doneCond_;
    SampleInfo sampleInfo_;
    CodecUserData *decContext_ = nullptr;
    static constexpr int64_t MICROSECOND = 1000000;
};

#endif  // VIDEO_CODEC_PLAYER_H